Remote energy consumption monitoring device for solar energy storage system

Abstract

The utility model relates to the technical field of solar energy storage, and discloses a remote energy consumption monitoring device of a solar energy storage system, which comprises a PCB (printed circuit board), and a plurality of plug-in wiring terminals are fixedly connected at the edge of the top of the PCB close to the front side along the horizontal direction at equal intervals. A first control relay is fixedly arranged on the side, close to the pluggable wiring terminal, of the top of the PCB, and a second control relay is fixedly installed on the outer surface of the side, close to the first control relay, of the top of the PCB. According to the utility model, the problems that the existing remote energy consumption monitoring, the communication module, the data acquisition module, the controller power supply unit and the output power supply switching unit are connected through electric wires and signal lines, the whole set of remote control system is complex in structure, the cost is low, and the like are solved. The requirement on the technical level of a user is high, the technical difficulty is large, and the installation is very difficult.

Description

Technical Field

[0001] The utility model relates to the technical field of solar energy storage, in particular to a remote energy consumption monitoring device for a solar energy storage system. Background Art

[0002] Solar energy is a renewable energy source. It refers to the thermal radiation energy of the sun, which is mainly manifested in the so-called sunlight. In modern times, it is generally used to generate electricity or provide energy for water heaters. Solar energy is generated by the huge nuclear energy released by the fusion of hydrogen and helium in the hydrogen atoms inside the sun. It comes from the radiation energy of the sun. Most of the energy needed by humans comes directly or indirectly from the sun.

[0003] When using solar energy storage equipment for operation, traditional remote energy consumption monitoring, communication modules, data acquisition modules, controller power supply units, and output power switching units are connected by wires and signal lines. The entire remote control system has a complex structure, requires a high level of technical skills from the user, is technically difficult, and is very difficult to install. Utility Model Content

[0004] The purpose of the utility model is to provide a remote energy consumption monitoring device for a solar energy storage system to solve the problems proposed in the above background technology that the existing remote energy consumption monitoring, communication module, data acquisition module, controller power supply unit, and output power switching unit are connected by wires and signal lines, the entire remote control system has a complex structure, high technical requirements for users, high technical difficulty, and is very difficult to install.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a remote energy consumption monitoring device for a solar energy storage system, comprising a PCB printed circuit board, a plurality of plug-in terminals are fixedly connected to the edge of the top of the PCB printed circuit board near the front side at equal intervals in the horizontal direction, a first control relay is fixedly arranged on the side of the top of the PCB printed circuit board near the plug-in terminal, a second control relay is fixedly installed on the outer surface of the top of the PCB printed circuit board near the first control relay, a DTU module is fixedly arranged on the rear side of the top of the PCB printed circuit board near the second control relay, a serial port expansion module is fixedly installed on the outer surface of the top of the PCB printed circuit board near the DTU module, a first isolated step-down power supply module is fixedly connected to the side of the top of the PCB printed circuit board near the serial port expansion module, a second isolated step-down power supply module is fixedly arranged on the top of the PCB printed circuit board near the front side of the first isolated step-down power supply module, and a third isolated step-down power supply module is fixedly arranged on the top of the PCB printed circuit board near the front side of the second isolated step-down power supply module.

[0006] Preferably, a first voltage and current measuring module is fixedly installed on the outer surface of one side of the top of the PCB printed circuit board close to the first control relay, and a second voltage and current measuring module is fixedly arranged on one side of the top of the PCB printed circuit board close to the first voltage and current measuring module.

[0007] Preferably, the top of the PCB printed circuit board is provided with mounting screw fixing holes near the four corners.

[0008] Preferably, the plug-in terminal blocks are provided with fifteen groups in total, and the left five groups of the plug-in terminal blocks include a circuit power supply positive electrode, a circuit power supply negative electrode, a spare end, a first measured negative electrode output and a first measured negative electrode input.

[0009] Preferably, the middle five groups of the plug-in terminal blocks include a first measured positive input, a second measured negative output, a second measured negative input, a second measured positive input and a first relay normally open end.

[0010] Preferably, the five right groups of the plug-in terminal block include a first relay common terminal, a first relay normally closed terminal, a second relay normally open terminal, a second relay common terminal and a second relay normally closed terminal.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model adopts modular design through the whole system structure. The advantage of the three-way voltage isolation module is that the working circuits of the measurement module voltage and current data acquisition, digital signal transmission, high and low level control and other modules work independently without interfering with each other, so that the collected data is more accurate, the control is more sensitive, and the electrical structure is stable. For use in various complex and harsh outdoor environments, the applicability and stability are guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main stereoscopic structure of the remote energy consumption monitoring device for the solar energy storage system proposed by the utility model;

[0014] Figure 2 This is a side view stereoscopic structural diagram of a remote energy consumption monitoring device for a solar energy storage system proposed in the utility model;

[0015] Figure 3 The utility model provides a schematic top view of the three-dimensional structure of a remote energy consumption monitoring device for a solar energy storage system.

[0016] In the figure: 1, positive power supply of the circuit; 2, negative power supply of the circuit; 3, standby terminal; 4, negative output of the first measured channel; 5, negative input of the first measured channel; 6, positive input of the first measured channel; 7, negative output of the second measured channel; 8, negative input of the second measured channel; 9, positive input of the second measured channel; 10, normally open terminal of the first relay; 11, common terminal of the first relay; 12, normally closed terminal of the first relay; 13, normally open terminal of the second relay; 14, common terminal of the second relay; 15, normally closed terminal of the second relay; 16, first control relay; 17, second control relay; 18, DTU module; 19, serial port expansion module; 20, mounting screw fixing hole; 21, first isolated step-down power supply module; 22, second isolated step-down power supply module; 23, third isolated step-down power supply module; 24, first voltage and current measurement module; 25, second voltage and current measurement module; 26, PCB printed circuit board; 27, plug-in terminal block. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0018] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0019] See also Figure 1-Figure 3The utility model provides a technical solution: a remote energy consumption monitoring device for a solar energy storage system, comprising a PCB printed circuit board 26, a plurality of plug-in terminals 27 are fixedly connected to the edge of the top of the PCB printed circuit board 26 near the front side along the horizontal direction at equal intervals, a first control relay 16 is fixedly arranged on the top of the PCB printed circuit board 26 near the plug-in terminal 27, a second control relay 17 is fixedly installed on the outer surface of the top of the PCB printed circuit board 26 near the first control relay 16, a DTU module 18 is fixedly arranged on the top of the PCB printed circuit board 26 near the rear side of the second control relay 17, a serial port expansion module 19 is fixedly installed on the outer surface of the top of the PCB printed circuit board 26 near the DTU module 18, and a serial port expansion module 19 is fixedly installed on the outer surface of the top of the PCB printed circuit board 26 near the DTU module 18. A first isolated step-down power supply module 21 is fixedly connected to the top of the circuit board 26 near the serial port expansion module 19, a second isolated step-down power supply module 22 is fixedly arranged on the top of the PCB printed circuit board 26 near the front side of the first isolated step-down power supply module 21, a third isolated step-down power supply module 23 is fixedly arranged on the top of the PCB printed circuit board 26 near the front side of the second isolated step-down power supply module 22, a first voltage and current measuring module 24 is fixedly installed on the outer surface of the top of the PCB printed circuit board 26 near the first control relay 16, a second voltage and current measuring module 25 is fixedly arranged on the top of the PCB printed circuit board 26 near the first voltage and current measuring module 24, and mounting screw fixing holes 20 are opened at the top of the PCB printed circuit board 26 near the four corners.

[0020] There are fifteen groups of plug-in terminals 27. The five groups on the left side of the plug-in terminals 27 include a circuit power supply positive pole 1, a circuit power supply negative pole 2, a standby terminal 3, a first measured negative pole output 4 and a first measured negative pole input 5. The five groups in the middle of the plug-in terminals 27 include a first measured positive pole input 6, a second measured negative pole output 7, a second measured negative pole input 8, a second measured positive pole input 9 and a first relay normally open terminal 10. The five groups on the right side of the plug-in terminals 27 include a first relay common terminal 11, a first relay normally closed terminal 12, a second relay normally open terminal 13, a second relay common terminal 14 and a second relay normally closed terminal 15.

[0021] Working principle: When the device is used, first, the DC+12V positive pole is provided through the circuit power supply positive pole 1 and the GND input of the circuit power supply negative pole 2. The DC 9-36v voltage can be input to the first isolated step-down power supply module 21, and the voltage is converted to DC5V to provide normal working power for the first control relay 16, the second control relay 17, the DTU module 18, and the serial port expansion module 19. At the same time, it is input to the second isolated step-down power supply module 22, and the voltage is converted to DC5V to provide normal working power for the second voltage and current measurement module 25. At the same time, it can be input to the third isolated step-down power supply module 23, and the voltage is converted to DC5V to provide normal working power for the first voltage and current measurement module 24. The measured voltage input DC positive pole / AC live wire is input through the first measured negative pole input 6, and the measured voltage input DC negative pole / AC neutral wire is input through the first measured negative pole input 5. The measured input voltage passes through the second voltage and current measurement module 25, and the voltage range can be detected from 1 to 500V. DC direct current / AC alternating current; the first measured negative output 4 is connected to the load by the measured output DC direct current negative pole / AC alternating current neutral line, and the first measured positive input 6 is connected to the load by the first measured input DC direct current positive pole / AC alternating current live wire, and the 10ma-16A current data can be collected through the second voltage and current measurement module 25, and the collected data is transmitted to the serial port expansion module 19;

[0022] The second measured positive input 9 is the second measured voltage input DC positive pole / AC live wire, the second measured negative input 8 is the second measured voltage DC negative pole / AC neutral wire, the input voltage is measured through the first voltage and current measurement module 24, and the voltage range can be detected 1-500V DC / AC; the second measured negative output 7 outputs the DC negative pole / AC neutral wire and is connected to the load, the second measured positive input 9 is the measured input DC positive pole / AC live wire and is connected to the load, and 10ma-16A current data can be collected through the first voltage and current measurement module 24; the collected data is transmitted to the serial port expansion module 19;

[0023] The serial port expansion module 19 collects the voltage and current data of the first voltage and current measurement module 24 and the second voltage and current measurement module 25 and transmits them to the DTU module 18. The first control relay 16 is transmitted by the DTU module 18 through the serial port expansion module 19 to the voltage and current data collected by the first voltage and current measurement module 24 for calculation and analysis, and then outputs high and low level signal control. In addition, the second control relay 17 is transmitted by the DTU module 18 through the serial port expansion module 19 to the voltage and current data collected by the second voltage and current measurement module 25 for calculation and analysis, and then outputs high and low level signal control. Finally, the whole system structure adopts a modular design. The advantage of the three-way voltage isolation module is that the working circuits of the measurement module voltage and current data collection, digital signal transmission, high and low level control and other modules work independently without interfering with each other, making the collected data more accurate, the control more sensitive, and the electrical structure stable. For use in various complex and harsh outdoor environments, the applicability and stability are guaranteed.

[0024] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A remote energy consumption monitoring device for a solar energy storage system, comprising a PCB printed circuit board (26), characterized in that: A plurality of plug-in terminals (27) are fixedly connected to the edge of the top of the PCB printed circuit board (26) close to the front side at equal intervals in the horizontal direction; a first control relay (16) is fixedly arranged on one side of the top of the PCB printed circuit board (26) close to the plug-in terminal (27); a second control relay (17) is fixedly mounted on the outer surface of one side of the top of the PCB printed circuit board (26) close to the first control relay (16); a DTU module (18) is fixedly arranged on the rear side of the top of the PCB printed circuit board (26) close to the second control relay (17); A serial port expansion module (19) is fixedly mounted on the outer surface of one side of the top of the brush circuit board (26) close to the DTU module (18); a first isolated step-down power supply module (21) is fixedly connected to one side of the top of the PCB printed circuit board (26) close to the serial port expansion module (19); a second isolated step-down power supply module (22) is fixedly arranged on the top of the PCB printed circuit board (26) close to the front side of the first isolated step-down power supply module (21); and a third isolated step-down power supply module (23) is fixedly arranged on the top of the PCB printed circuit board (26) close to the front side of the second isolated step-down power supply module (22).

2. The remote energy consumption monitoring device for solar energy storage system according to claim 1, characterized in that: A first voltage and current measurement module (24) is fixedly mounted on an outer surface of a side of the top of the PCB printed circuit board (26) close to the first control relay (16), and a second voltage and current measurement module (25) is fixedly arranged on a side of the top of the PCB printed circuit board (26) close to the first voltage and current measurement module (24).

3. The remote energy consumption monitoring device for solar energy storage system according to claim 1, characterized in that: The top of the PCB printed circuit board (26) is provided with mounting screw fixing holes (20) near the four corners.

4. The remote energy consumption monitoring device for solar energy storage system according to claim 1, characterized in that: The plug-in terminal blocks (27) are provided with fifteen groups in total, and the five groups on the left side of the plug-in terminal blocks (27) include a circuit power supply positive electrode (1), a circuit power supply negative electrode (2), a standby terminal (3), a first measured negative electrode output (4) and a first measured negative electrode input (5).

5. The remote energy consumption monitoring device for solar energy storage system according to claim 1, characterized in that: The middle five groups of the plug-in terminal (27) include a first measured positive input (6), a second measured negative output (7), a second measured negative input (8), a second measured positive input (9) and a first relay normally open terminal (10).

6. The remote energy consumption monitoring device for solar energy storage system according to claim 1, characterized in that: The five right groups of the plug-in terminal block (27) include a first relay common terminal (11), a first relay normally closed terminal (12), a second relay normally open terminal (13), a second relay common terminal (14) and a second relay normally closed terminal (15).

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